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-rw-r--r--core/io/image.cpp86
1 files changed, 55 insertions, 31 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp
index 56d84325b5..873eb66f33 100644
--- a/core/io/image.cpp
+++ b/core/io/image.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -375,7 +375,7 @@ Image::Image3DValidateError Image::validate_3d_image(Image::Format p_format, int
if (idx >= p_images.size()) {
return VALIDATE_3D_ERR_MISSING_IMAGES;
}
- if (p_images[idx].is_null() || p_images[idx]->empty()) {
+ if (p_images[idx].is_null() || p_images[idx]->is_empty()) {
return VALIDATE_3D_ERR_IMAGE_EMPTY;
}
if (p_images[idx]->get_format() != p_format) {
@@ -1753,10 +1753,10 @@ Error Image::generate_mipmaps(bool p_renormalize) {
Error Image::generate_mipmap_roughness(RoughnessChannel p_roughness_channel, const Ref<Image> &p_normal_map) {
Vector<double> normal_sat_vec; //summed area table
- double *normal_sat = nullptr; //summed area table for normalmap
+ double *normal_sat = nullptr; //summed area table for normal map
int normal_w = 0, normal_h = 0;
- ERR_FAIL_COND_V_MSG(p_normal_map.is_null() || p_normal_map->empty(), ERR_INVALID_PARAMETER, "Must provide a valid normalmap for roughness mipmaps");
+ ERR_FAIL_COND_V_MSG(p_normal_map.is_null() || p_normal_map->is_empty(), ERR_INVALID_PARAMETER, "Must provide a valid normal map for roughness mipmaps");
Ref<Image> nm = p_normal_map->duplicate();
if (nm->is_compressed()) {
@@ -1950,7 +1950,7 @@ void Image::clear_mipmaps() {
return;
}
- if (empty()) {
+ if (is_empty()) {
return;
}
@@ -1961,7 +1961,7 @@ void Image::clear_mipmaps() {
mipmaps = false;
}
-bool Image::empty() const {
+bool Image::is_empty() const {
return (data.size() == 0);
}
@@ -2985,31 +2985,53 @@ void Image::set_pixel(int p_x, int p_y, const Color &p_color) {
_set_color_at_ofs(data.ptrw(), ofs, p_color);
}
+void Image::adjust_bcs(float p_brightness, float p_contrast, float p_saturation) {
+ uint8_t *w = data.ptrw();
+ uint32_t pixel_size = get_format_pixel_size(format);
+ uint32_t pixel_count = data.size() / pixel_size;
+
+ for (uint32_t i = 0; i < pixel_count; i++) {
+ Color c = _get_color_at_ofs(w, i);
+ Vector3 rgb(c.r, c.g, c.b);
+
+ rgb *= p_brightness;
+ rgb = Vector3(0.5, 0.5, 0.5).lerp(rgb, p_contrast);
+ float center = (rgb.x + rgb.y + rgb.z) / 3.0;
+ rgb = Vector3(center, center, center).lerp(rgb, p_saturation);
+ c.r = rgb.x;
+ c.g = rgb.y;
+ c.b = rgb.z;
+ _set_color_at_ofs(w, i, c);
+ }
+}
+
Image::UsedChannels Image::detect_used_channels(CompressSource p_source) {
ERR_FAIL_COND_V(data.size() == 0, USED_CHANNELS_RGBA);
ERR_FAIL_COND_V(is_compressed(), USED_CHANNELS_RGBA);
bool r = false, g = false, b = false, a = false, c = false;
- for (int i = 0; i < width; i++) {
- for (int j = 0; j < height; j++) {
- Color col = get_pixel(i, j);
+ const uint8_t *data_ptr = data.ptr();
- if (col.r > 0.001) {
- r = true;
- }
- if (col.g > 0.001) {
- g = true;
- }
- if (col.b > 0.001) {
- b = true;
- }
- if (col.a < 0.999) {
- a = true;
- }
+ uint32_t data_total = width * height;
- if (col.r != col.b || col.r != col.g || col.b != col.g) {
- c = true;
- }
+ for (uint32_t i = 0; i < data_total; i++) {
+ Color col = _get_color_at_ofs(data_ptr, i);
+
+ if (col.r > 0.001) {
+ r = true;
+ }
+ if (col.g > 0.001) {
+ g = true;
+ }
+ if (col.b > 0.001) {
+ b = true;
+ }
+ if (col.a < 0.999) {
+ a = true;
+ }
+
+ if (col.r != col.b || col.r != col.g || col.b != col.g) {
+ c = true;
}
}
@@ -3090,7 +3112,7 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("create", "width", "height", "use_mipmaps", "format"), &Image::_create_empty);
ClassDB::bind_method(D_METHOD("create_from_data", "width", "height", "use_mipmaps", "format", "data"), &Image::_create_from_data);
- ClassDB::bind_method(D_METHOD("is_empty"), &Image::empty);
+ ClassDB::bind_method(D_METHOD("is_empty"), &Image::is_empty);
ClassDB::bind_method(D_METHOD("load", "path"), &Image::load);
ClassDB::bind_method(D_METHOD("save_png", "path"), &Image::save_png);
@@ -3109,9 +3131,9 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("fix_alpha_edges"), &Image::fix_alpha_edges);
ClassDB::bind_method(D_METHOD("premultiply_alpha"), &Image::premultiply_alpha);
ClassDB::bind_method(D_METHOD("srgb_to_linear"), &Image::srgb_to_linear);
- ClassDB::bind_method(D_METHOD("normalmap_to_xy"), &Image::normalmap_to_xy);
+ ClassDB::bind_method(D_METHOD("normal_map_to_xy"), &Image::normal_map_to_xy);
ClassDB::bind_method(D_METHOD("rgbe_to_srgb"), &Image::rgbe_to_srgb);
- ClassDB::bind_method(D_METHOD("bumpmap_to_normalmap", "bump_scale"), &Image::bumpmap_to_normalmap, DEFVAL(1.0));
+ ClassDB::bind_method(D_METHOD("bump_map_to_normal_map", "bump_scale"), &Image::bump_map_to_normal_map, DEFVAL(1.0));
ClassDB::bind_method(D_METHOD("blit_rect", "src", "src_rect", "dst"), &Image::blit_rect);
ClassDB::bind_method(D_METHOD("blit_rect_mask", "src", "mask", "src_rect", "dst"), &Image::blit_rect_mask);
@@ -3132,6 +3154,8 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pixelv", "point", "color"), &Image::set_pixelv);
ClassDB::bind_method(D_METHOD("set_pixel", "x", "y", "color"), &Image::set_pixel);
+ ClassDB::bind_method(D_METHOD("adjust_bcs", "brightness", "contrast", "saturation"), &Image::adjust_bcs);
+
ClassDB::bind_method(D_METHOD("load_png_from_buffer", "buffer"), &Image::load_png_from_buffer);
ClassDB::bind_method(D_METHOD("load_jpg_from_buffer", "buffer"), &Image::load_jpg_from_buffer);
ClassDB::bind_method(D_METHOD("load_webp_from_buffer", "buffer"), &Image::load_webp_from_buffer);
@@ -3220,7 +3244,7 @@ void Image::set_compress_bptc_func(void (*p_compress_func)(Image *, float, UsedC
_image_compress_bptc_func = p_compress_func;
}
-void Image::normalmap_to_xy() {
+void Image::normal_map_to_xy() {
convert(Image::FORMAT_RGBA8);
{
@@ -3285,7 +3309,7 @@ Ref<Image> Image::get_image_from_mipmap(int p_mipamp) const {
return image;
}
-void Image::bumpmap_to_normalmap(float bump_scale) {
+void Image::bump_map_to_normal_map(float bump_scale) {
ERR_FAIL_COND(!_can_modify(format));
convert(Image::FORMAT_RF);
@@ -3585,7 +3609,7 @@ Image::Image(const uint8_t *p_mem_png_jpg, int p_len) {
copy_internals_from(_png_mem_loader_func(p_mem_png_jpg, p_len));
}
- if (empty() && _jpg_mem_loader_func) {
+ if (is_empty() && _jpg_mem_loader_func) {
copy_internals_from(_jpg_mem_loader_func(p_mem_png_jpg, p_len));
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-05 23:30:00 +0000